I have a storage heater that I've not turned on since moving in three years ago. It's a warm building with double glazing and not very drafty window frames though, and I'm young and physically healthy and work outdoors all winter anyway. There's a little fan heater on the bathroom wall that I'll turn on if I'm up really early on the very coldest days, it cuts out after about ten seconds but that's enough to take the chill off the air.
More difficult if you live somewhere colder and damper or are more vulnerable due to health conditions/age/etc obvs.
More difficult if you live somewhere colder and damper or are more vulnerable due to health conditions/age/etc obvs.